MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixE0:B6:F5:30:00:00 /28
Vendor addressGisun Industry Park,Dong Ao Village, Sha Tian Town,HuiYang District ,Huizhou China Huizhou Guangdong CN 518114
Country🇨🇳 China
RegisteredFeb 21, 2016
Block rangeE0:B6:F5:30:00:00– E0:B6:F5:3F:FF:FF
Address capacity1,048,576
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Example addresses in this block
Where this block sits
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E0:B6:F5:20:00:00 /28
Shanghai- British Information Technology Co., Ltd
Next
E0:B6:F5:40:00:00 /28
Agora
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Huizhou GISUN Industrial CO. LTD holds 1 registered blocks in the IEEE registry, ranking #15,235 of 33,427 organizations by block count.